docs: def convert(self, value, param, ctx):
          """ Try to find correct kernel regarding version. """
          self.gandi = ctx.obj
          # Exact match first
          if value in self.choices:
              return value
  
          # Also try with x86-64 suffix
          new_value = '%s-x86_64' % value
          if new_value in self.choices:
              return new_value
  
          self.fail('invalid choice: %s. (choose from %s)' %
                    (value, ', '.join(self.choices)), param, ctx)